Alert archive / Illinois / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 23, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 6, 2021, 3:01 PM CDT for Effingham County, Illinois. It was in force for 27 min. 2 reports came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- May 6, 2021, 3:01 PM CDT (20:01 UTC)
- Expired
- May 6, 2021, 3:28 PM CDT
- In force
- 27 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Effingham County, IL
The radar
The Evansville,IN radar (KVWX), 110 km from the middle of the area, began a volume at 20:01 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| May 6, 3:10 PM CDT | FUNNEL CLOUD | Altamont, IL | CLOSE TO TOUCHING THE GROUND. |
| May 6, 3:30 PM CDT | TORNADO | Mason, IL | BRIEF TOUCHDOWN, BUT WAS CLOSE TO TOUCHING DOWN AGAIN. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 8.0 hours before the alert went out and 128 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 16 J/kg
- Mixed-layer CIN
- -111 J/kg
- Mixed-layer LCL
- 1453 m above ground
- 0-6 km bulk shear
- 34 kt
- 0-1 km storm-relative helicity
- 203 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
128
WUUS53 KILX 062001
SVRILX
ILC049-062045-
/O.NEW.KILX.SV.W.0023.210506T2001Z-210506T2045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Lincoln IL
301 PM CDT Thu May 6 2021
The National Weather Service in Lincoln has issued a
* Severe Thunderstorm Warning for...
Central Effingham County in south central Illinois...
* Until 345 PM CDT.
* At 301 PM CDT, a severe thunderstorm was located near Altamont, or
8 miles west of Effingham, moving southeast at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Effingham, Altamont, Watson, Moccasin, Mason, Effingham County
Airport, Elliotstown, Altamont Reservoir, Heartville and Lake Sara.
This includes the following highways...
Interstate 57 between mile markers 147 and 159.
Interstate 70 between mile markers 82 and 93.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3891 8858 3909 8881 3919 8868 3901 8836
3891 8836
TIME...MOT...LOC 2001Z 311DEG 30KT 3910 8870
HAIL...1.00IN
WIND...60MPH
$$
252 follow-up statements
396
WWUS53 KILX 062013
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
313 PM CDT Thu May 6 2021
ILC049-062045-
/O.CON.KILX.SV.W.0023.000000T0000Z-210506T2045Z/
Effingham-
313 PM CDT Thu May 6 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 345 PM CDT
FOR SOUTHERN EFFINGHAM COUNTY...
At 312 PM CDT, a severe thunderstorm was located over Watson, or near
Effingham, moving southeast at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated. At 308 PM CDT a trained spotter reported a
funnel cloud near Altamont.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Effingham, Altamont, Watson, Mason, Effingham County Airport,
Elliotstown, Altamont Reservoir, Heartville and Lake Sara.
This includes the following highways...
Interstate 57 between mile markers 147 and 158.
Interstate 70 between mile markers 82 and 92.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 3907 8879 3915 8867 3901 8836 3891 8836
3891 8858
TIME...MOT...LOC 2012Z 311DEG 30KT 3904 8861
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$
25465
WWUS53 KILX 062028
SVSILX
Severe Weather Statement
National Weather Service Lincoln IL
328 PM CDT Thu May 6 2021
ILC049-062036-
/O.CAN.KILX.SV.W.0023.000000T0000Z-210506T2045Z/
Effingham-
328 PM CDT Thu May 6 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN EFFINGHAM COUNTY IS
CANCELLED...
The storm has been replaced with a new severe thunderstorm warning
for southern Effingham County, in effect until 430 PM CDT.
To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Lincoln.
LAT...LON 3907 8879 3915 8867 3901 8836 3891 8836
3891 8858
TIME...MOT...LOC 2025Z 311DEG 30KT 3896 8849
$$
25The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 1:10 PM CDT | Special Weather Statement | ILX | Clay | 35 min |
| May 6, 1:29 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Richland | 46 min |
| May 6, 2:09 PM CDT | Special Weather Statement | ILX | Lawrence | 36 min |
| May 6, 2:17 PM CDT | Tornado Warning | ILX | Christian, Shelby | 28 min |
| May 6, 2:29 PM CDT | Tornado Warning | ILX | Moultrie, Shelby | 31 min |
| May 6, 2:58 PM CDT | Severe Thunderstorm Warning | ILX | Coles, Cumberland, Moultrie, Shelby | 26 min |
| May 6, 3:22 PM CDT | Severe Thunderstorm Warning | ILX | Clay, Effingham | 36 min |
| May 6, 4:39 PM CDT | Special Weather Statement | ILX | Clay | 36 min |
| May 6, 4:46 PM CDT | Tornado Warning | ILX | Clay | 14 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.